20311001430079 has 2 divisors, whose sum is σ = 20311001430080. Its totient is φ = 20311001430078.

The previous prime is 20311001430043. The next prime is 20311001430121. The reversal of 20311001430079 is 97003410011302.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20311001430079 - 2⁷ = 20311001429951 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20311001430079.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20311001430179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10155500715039 + 10155500715040.

It is an arithmetic number, because the mean of its divisors is an integer number (10155500715040).

Almost surely, 2^{20311001430079} is an apocalyptic number.

20311001430079 is a deficient number, since it is larger than the sum of its proper divisors (1).

20311001430079 is an equidigital number, since it uses as much as digits as its factorization.

20311001430079 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4536, while the sum is 31.

The spelling of 20311001430079 in words is "twenty trillion, three hundred eleven billion, one million, four hundred thirty thousand, seventy-nine".